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Land Between Two Rivers

Des Moines River: Perspectives On Utilization (#101)

This introductory program surveys four geologic eras: the Precambrian, the Paleozoic, the Mesozoic and the Cenozoic. A discussion of the supercontinent Pangaea, the major glacial stages and the early inhabitants of Iowa is included. [29 minutes] Closed Captioning

This episode has not aired in the past few months on Iowa Public Television.

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Information For Teachers

Grade Levels
Curricular Areas
Social Studies
Series Length
8 episodes
Average Episode Length
29 minutes
Record Rights
Recording/duplication allowed in perpetuity. If you miss the broadcast, contact your AEA for copies.
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Series Description: LAND BETWEEN TWO RIVERS: PART 1 is a geological and natural history of Iowa which focuses on four major rivers in the state: the Des Moines, the Upper Iowa, the Nishnabotna and the Little Sioux. The commentary of geologists, naturalists and other specialists provides information about glacial activity, the areas' early inhabitants and the impact of modern civilization on the environment.

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  • The Des Moines River: Part 2 (#102)

    The Pennsylvanian Age, a time when Iowa was much closer to the equator, is discussed with a look at shale deposits near Ottumwa which formed during that time. The shale is one of several resources now used in modern civilization. A look is taken at studies conducted in the 1860s by the Iowa Geological Survey. The biology of Lacey-Keosauqua State Park is also explored. [28 minutes]

  • The Nishnabotna River: Part 1 (#103)

    The unique Loess Hills are examined along with evidence of habitation by Paleo-Indians of the Cenozoic Era. Agricultural developments through the years are traced. [29 minutes]

  • The Nishnabotna River: Part 2 (#104)

    The Glenwood archaeological site is visited as well as the Riverton Preserve Wetland area where a variety of migrating waterfowl stop to rest. A survey is also taken of plant and animal species of the past and present. [29 minutes]

  • The Little Sioux River: Part 1 (#105)

    A trip is taken to the alluvial plains where fossil material from the Pleistocene Period is recovered from the Turin Gravel Pit, and the Mill Creek Culture of northwest Iowa is studied. [28 minutes]

  • The Little Sioux River: Part 2 (#106)

    The glacial features of Hanging Valley near Cherokee, Freda-Hafner Kettle Hole State Preserve and the Ocheydan Mounds are studied. The various fish species endemic to the Little Sioux headwaters are also examined. [29 minutes]

  • The Upper Iowa River: Part 1 (#107)

    This program surveys the Iowa Surface and the Paleozoic Plateau, also called the Driftless Region and the caves and swallow holes that make up karst topography. The development of springs, aquifers and other water sources is studied as well as rock and land formations and plant life that surround them. [29 minutes]

  • The Upper Iowa River: Part 2 (#108)

    The second part of the Upper Iowa unit looks at the Oneota culture and the environment in which it flourished. Also studied is the more recently inhabited Quandahl Rock Shelter and its plentiful supply of artifacts. [30 minutes]

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